Motor-controlling treadle.



No. 874,895. PATENTED DEC. 24, 1907. A. B. MANN. MOTOR CONTROLLING TREADLE.

APPLICATION FILED 1130.4, 1906.

3 SHEETS-SHEET 1.

, a W1 w No. 874,895. 'PATENTED DEC. 24, 1907.

A. B. MANN.

MOTOR CONTROLLING TREADLE.

APPLICATION FILED 1310.4, 1906.

3 $HEETS-8HBBT 2.

1/ '1 A 4 lmmmw No. 874,895. PATENTED DEC. 24, 1907.

' A. B. MANN.

MOTOR CONTROLLING TREADL-E.

APPLICATION FILED D110. 4, 1906.

3 SHEETS-SHEET 3.

Quorum,

UNITED STATES PATENT OFFICE.

ALBRET B. MANN, OF CINCINNATI, OHIO,'ASSIGNOR TO THE AMERICAN LAUNDRY MACHINERY COMPANY, OF NORWOOD, OHIO, A CORPORATION.

Specification of Letters Patent.-

hunted Dec. 24, 1907.

Application filed December 4. 1906- Berial No. 348,849.

To all whom it may concern:

Be it known that I, ALBRET B. MANN, a citizen of the United States, residing at Cincinnati, in the county of Hamilton and State of, Ohio, have invented certain new and useful Improvements in Motor-Controlling Treadles, of which the following is a specification.

My invention relates to a motor controlling treadle for operating certain kinds of machines.

The invention is particularly designed to be used with that type of machines illus trated in the accompanyin drawings, which represents a laundry mac 'ne known as a reverse body ironer. It will however be understood that the invention has 'amuch wider application. Q

The object of the invention is broadly, to produce a combined treadle and electric switch which can be conjointly actuated in controlling the motor and operating the machine.

The-features of the invention are more fully set forth in the description of the accompan'ying drawings, forming a part of this specification, in which Figure '-1 is a side elevation of an ironing machine with my improved motor controlling treadle in position. Fig. 2 is an enlarged section on'line a, as, Fig. 1. Fig. 3 is a section on-.line w, "w, Fig. 4. Fig. 4 is a section on line 12, '0, Fig. 2. Fig. 5 is a top plan view of the lower treadle member. Fig. 6 is an inside plan view of the upper treadle member. Fig. 7 is a diagrammatic view illustrating the circuit connections between the source of su ly, switch and motor.

e organized machine selected to illustrate one articular use of the invention is shown in ig. 1, in which 1 represents the standard.

2, 3, represent the ironing rolls having the end shaft extensions 4, 5, journaledin the pillars 6, 7.

8 re resents the motor having the armat'ure s aft 9 with pinion 10, intermeshing with gear wheel 11 fixed on the end of shaft 4.

12, 13, re resent intermeshinggears connecting sha s 4 and 5, the depth of intermesh bein sufiicient to permit of the sli ht.

withdrawa of one of the shafts without isengaging the gears.

14 regresents a mechanism which can be operate to raise and lower the roll 3. is

connected b alink 15to crank arm 1.6.of the hollow trea e stem 17 which is pivoted at 18 to the standard 1. The treadle may be rocked in a vertical plane to actuate the mechanisms 14, 15, 16, for raising and lowering the roll 3.

19 represents tirety.

It is the object of m invention to so construct this treadle an its component parts as to provide a switch mechamsm for controlling the motor, operated by roc the the foot treadle in its on treadle 19 on the stem 17. The tree. e- 19 is a box having the lower member 20rigidly secured to the hollow stem 17 by means of sleeve 21 and set screws 22, see Fig. 4.

23 represents the top member of the box which has a central depending lug 24 pivoted to the lower member 20 by means of the ful= crum stud 25, see Fig. 4. The fulcrumv 25 is alined with the stem 17 from'the medial line of the treadle 19.. The top member 25 has the de ending flanges 26 overlapping the sides 0 the bottom member 24, so as to form a cover for the box, and yet allowing the top member to be rocked in either direction on its fulcrum. Within this box is arranged the following switch mechanism :28 29, 30, 31, represent four contact posts erected in the lower member 20 and having the insulation 32. 33 represents a wire running diagonally across the switch box and connecting the terminals 28 and 31. 34 represents a similar wire connecting the terminals 30 and 29. 35 represents a Wire running from terminal 29 to one pole of the source of supply, and 36 represents'a wire running from terminal 31 to the field of the motor. The wires 35, 36, run through the hollow stem 17 and up through the body of the standard, as indicated at 37. p

The cooperating contacts forthe u per or rocking member 23, are formed as fol ows:. 38 represents a contact finger secured to the upper member 23, and extending across the box in position so that its opposite ends may alternately contact the posts 28 and 30. 39

represents a like contact finger adapted to through .the stem 17 and connected respectively to the fingers 38, 39.

In order to hold the top member 23 no:-

mally in plane with the contacts 38, 39, engaging the contacts 30, 31, as indicated in driven in one direction, I rovide the spring mechanism 43, which hold; the top member 23 appropriatel tilted. When the member 23 is suitably ti ted in the opposite direction, contacts 38, 39, are engaged with contacts 28, 29, respectively and the direction of the current is reverse reversing the polarity of the armature and hence reversing the armature rotation. I

The circuit from the source of supply through motor and switch is as follows :43 represents a fuse block. 44 represents a fie d winding of the motor. 45 represents its shunt windin 46 the armature. 47 represents the termmal block, and 48 represents the speed regulator. 49 represents a wire lea from one le of the source of supply throng the fuse lock 43, and continuing to the p ug 50 of the terminal block 47, from thence the circuit is continued by means of wire 35 to the switch contact 29. 51 re resents a wire leadin from the op site po e of the source of su p ly through t e fuse block to the plug 52 of the terminal block 47. 53 represents a wire leading from the plug 52 to the speed regulator 48. 54 represents a wire leading from the speed re ulator box 48 to a plug55 of theterminal block 47. 56 represents a wire leading from the plug 55 to the motor field windings 44. 57 represents 'a wire leading from the motor field to the lug 58, and 36 represents a wire leading rom said plug 58 to the contact 31 of the treadle switc 19. 41 represents a wire leadin from the contact finger 38 to the plug 59 of the terminal block 47, and 60 represents a wire leading from the plug 59 to one pole of the armature. 42 re resents a wire leadin from the contact fi ng er 39 to the plug 61 0% the terminal block 47. leading from the plug 61 to the opposite pole of the armature 46. 63 represents a wire leading from the plug 52 to the shunt windings 45, and 64 re resents a wire leading from the plug 50' to the shunt windings 45.

Assume that the contact fingers 38, 39, are thrown into contact with the contacts 28 29,

. the circuit for the armature shait in one direction will be as follows :from the source of suppl through wire 51, contact plug 52, througl i'wire 53, and the wind' of the speed regulator 48, thence 110$ wire 54, plug 55, wire 56 through the motor field windings 44, and thence thro h wire 57, plu 58, wire 36 to the contact 31 of the control g switch, thencethrough the diagonal wire 33to contact 28, contact finger 38, wire 41, plug 59, wire 60, thence through the armature 45, wire 62, plug 61, wire 42, contact fingers 39, contact 29, and thence through wire 35', pl 50, and the wire 49 to the opposite pole o the source of supply.

lgs. 2 and 3, inwhich position the motor is mally in a given position, contacts sup 62 represents a wire.

of the erases This drives the motor in the direction, say towards the right, the reverse direction is accomplished by throwing the contact fingers 38, 39, into engagement with contacts 30, 31, when a reversal of polarity is brought about to the armature. lhe electric circuit when the switch is in this position is as follows from one pole of the source of supply, through wire 51, (plug 52, wire 53, thence through the spee regulator 48, wire 54, plug 55, wire 56, through the field windings 44, wire 57, plug 58, wire 36, contact 31, contact fingers 39, wire 42, plug 61, wire 62, armature 45, wire 60, plug 59, wire 41, contact fingers 38, contact 30, thence through the diagonal wire 34, contact 29 of the controlling switch, through wire 35, plug 50, and wire 49 .to the opposite pole of the source of supply.

us by this simple mechanism the operator with his foot is in complete control of the operation of the motor, as well as the operation of the machine.

Having described my invention, I claim 1. A treadle for controlling a motor operated machine, consisting of a two-part boxing pivotally connected and held in a given normal position, switch mechanism having contacts on said two members within the box adapted to be alternately made and broken by rocking one of the members, and electric connections between said contacts, motor armature, and the source of supply, whereby the polarity of the armature is reversed when said member is rocked, substantially as described. V

2. A treadle for controlling a motor operated machine, ada ted to be actuated for operating themac e, and having a foot piece formed of two arts pivotally connected, tension means olding said parts norported by said parts, and electric connections between sa1d contacts, motor, armature, and the source of supply, whereby the olarity of the armature maybe reversed w en one scribed.

3. A treadle for controlling a motor operated machine adapted to be actuated for operating the machine, a foot piece formed of .two members ivotally connected and formin a hou or switch mechanism tension m ans hdlili ng said parts normail in a given position, four contacts in t e first member two on each side of the-pivot, the diagonally op osing contacts being electrically conn'ec .the second member ha two contacts extended on opposite sidefi the pivot in position to alternately 0 two of the contacts of the first member, t 0 said contacts of the second member being appropriatel electrically connected to the armature o a motor, substantially as described.

parts is rocked, substantially as .de-

2c; 5. A treadle for mechanically controlling- 4. In a motor operated machine having workin elements, a treadle for mechanically controling said elements, connecting mechanismbetween said treadle and said working elements, said treadle comprising a relatively stationary member, a relatively movable member pivotally connected to said stationary member, fixed electrical contacts formed in one of said members, movable contacts formed in the other member, electric connections between said fixed contacts and movable contacts arranged to rotate the armature of the motor in one direction when the movable contacts are brought to one electric circuit closing position, and reverse the rotation of the armature when the movable contacts are brought in a second electric circuit closing position, substantially as described.

the working elements of a -motor operated machine, comprising a relatively stationary 'member, a relatively movable member, iv-

otally connected to said stationary. mem er, fixed electrical contacts formed in one of said members, movable contacts formed in the other member, electric connections between said fixed contacts and movable contacts arranged to rotate the armature of the motor in one direction when the movable contacts are brought to one electric circuit closing position, and reverse the rotation of the armature when the movable contacts are brought in a second electric circuit closing position, and means in connection with said treadle adapted to be actuated independent of the motor control actuation to mechanically control the working elements of the machine, substantially as described.

6. In a motor operated machine having workinglelements, a treadle for mechanically control' g said elements, mechanism connecting said treadle to said elements, said contacts of the members are brought to a second electric circuit closing position, sub stantially as described.

7. In a motor 0 rated machine, working elements, a trea e for mechanically controlling said elements, mechanism connecting said treadle to said elements, said treadle consisting of two pivoted members having opposing contacts in electric connection with-the motor armature and electric supply, said contacts making and breaking contacts alternately as the pivoted member is rocked for reversing the direction of current through the armature, substantially as described.

8'. In a motor driven machine, employing working members, a lever for mechanically manipulating said members, a device for manually operating said lever consisting of a movable and stationary part, and electric connections in said parts adapted to make and break circuit for reversing said working members, whereby the device is mechanically controlled'by depressing said member and electrically energized in reverse directions by manipulating the said movable piece carried by the lever, substantially as described. i

, In testimony whereof, I have hereunto set my hand.

ALBRET B. MANN. 

